CLAS Physics Database

Measurement E159M1038

Experiment: E1-6
Year: 2001

Experiment comment:

Experiment year: 2001—2002
Spokesperson: V. Burkert
Reaction: ep → π+πp
Polarization: none
Quantity: dσ/d(−cos(θ(π)))
Q2: 4.2 — 5.0 GeV2
W: 1.85 GeV
Ebeam: 5.75 GeV

Measurement data
θ(π), [deg] dσ/d(−cos(θ(π))), [μb/rad] uncertainty
9.0 0.48184 0.158813
27.0 0.690361 0.147873
45.0 0.709139 0.127918
63.0 0.840539 0.152215
81.0 0.880359 0.157395
99.0 0.696392 0.136357
117.0 0.654152 0.142263
135.0 0.556156 0.131444
153.0 0.618021 0.17163
171.0 0.27518 0.130971